Powder Coating
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Powder Coating is a type of dry powder that is literally baked onto an item. The main difference between powder coating and paint is that paint is typically in a liquid form and requires solvents to keep it suspended.
Powder coating is much more robust than paint. It is much harder to scratch than paint and because of this and its thicker coating, it’s much more resistant to the elements to keep an item from rusting etc.
All our items that receive powder coating are first sandblasted to remove all foreign contaminants and provide a textured surface for adhesion. This also ensures that any type of rust or corrosion is removed from the item.
We use Du Pont and Tiger brand powder coatings that are applied electrostatically in a controlled booth and then baked in a large industrial oven at over 300 degrees.
ADVANTAGES AND DISADVANTEGES OF POWDER COATING
“There are several advantages of powder coating over conventional liquid coatings:
1. Powder coatings emit zero or near zero volatile organic compounds (VOC).
2. Powder coatings can produce much thicker coatings than conventional liquid coatings without running or sagging.
3. Powder coating overspray can be recycled and thus it is possible to achieve nearly 100% use of the coating.
4. Powder coating production lines produce less hazardous waste than conventional liquid coatings.
5. Powder coated items generally have fewer appearance differences between horizontally coated surfaces and vertically coated surfaces than liquid coated items.
6. A wide range of specialty effects is easily accomplished which would be impossible to achieve with other coating processes.”
*Advantages and disadvantages of powder coating sourced from Wikipedia: http://en.wikipedia.org/wiki/Powder_coating
ADDITIONAL INFORMATION ON POWDER COATING
Information from: Powder Coating Services, Inc.
Powdercoating.org
Powder coating is an advanced method of applying a decorative and protective finish to a wide range of materials and products that are used by both industries and consumers. The powder used for the process is a mixture of finely ground particles of pigment and resin, which is sprayed onto a surface to be coated. The charged powder particles adhere to the electrically grounded surfaces until heated and fused into a smooth coating in a curing oven. The result is a uniform, durable, high-quality, and attractive finish. Powder coating is the fastest-growing finishing technology in North America, representing over 10% of all industrial finishing applications.
Powder Coatings:
Fast Facts
Benefits of Powder Coatings:
·Tough, durable, lasting coating for metals. Excellent hardness and abrasion / impact resistance gives improved product performance over most liquid coatings.
· Wide range of colors.
· Environmentally friendly outsourcing option to avoid permitting for solvent-based paints.
· Less process variation results in consistent color and appearance of the product.
· High film builds and excellent edge coverage gives better resistance to corrosion with proper pretreatment.
· Coatings can be easily formulated for specific applications such as prolonged exposure to sunlight, the ability to survive in highly corrosive environments, flexibility to allow forming after coating, or high durability and resistance to chipping.
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